Class: Zfben_libjs::Libjs

Inherits:
Object
  • Object
show all
Defined in:
lib/zfben_libjs.rb,
lib/zfben_libjs.rb,
lib/zfben_libjs/initialize.rb

Constant Summary collapse

Lib_version =
Time.now.strftime('?%s')
Default_options =
{
  :config => {
    
    'src' => 'src',

    'url' => '',
    
    'download' => false,
    'minify' => true,
    'changeImageUrl' => true
  },
  
  :support_source => [],
  
  :libs => {
    'lazyload' => 'https://raw.github.com/rgrove/lazyload/master/lazyload.js'
  },
  :bundle => {},
  :routes => {},
  :preload => {}
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*options) ⇒ Libjs

Returns a new instance of Libjs.



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# File 'lib/zfben_libjs/initialize.rb', line 27

def initialize *options
  # recive path or hash options
  case options[0].class.to_s
    when 'String'
      opts = read_config_file(options[0])
    when 'Hash'
      opts = options[0]
    else
      opts = Default_options.clone
  end
  
  @opts = merge_and_convert_options(opts)

  if options[1].class.to_s == 'Hash'
    @opts = @opts.deep_merge(options[1])
  end
  
  @path_gem = File.realpath(File.dirname(__FILE__))
  
  # config
  FileUtils.mkdir(@opts[:config]['src']) unless File.exists?(@opts[:config]['src'])
  ['source', 'javascripts', 'images', 'stylesheets'].each do |path|
    key = 'src/' + path
    @opts[:config][key] = File.join(@opts[:config]['src'], path) unless @opts[:config].has_key?(key)
    FileUtils.mkdir(@opts[:config][key]) unless File.exists?(@opts[:config][key])
    @opts[:config]['url/' + path] = @opts[:config]['url'] + '/' + path unless @opts[:config].has_key?('url/' + path)
  end

  # Merge default libs
  @libs = {
    'lazyload' => 'https://raw.github.com/rgrove/lazyload/master/lazyload.js'
  }
  @libs = @libs.merge(@opts[:libs]) if @opts.has_key?(:libs)
end

Class Method Details

.defaultsObject



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# File 'lib/zfben_libjs/initialize.rb', line 66

def self.defaults
  return Default_options.clone
end

Instance Method Details

#build!Object



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# File 'lib/zfben_libjs.rb', line 32

def build!
  tip '== Starting Build =='
   
  if @opts[:config].has_key?('before')
    tip '== Runing Before Scripts =='
    load @opts[:config]['before']
  end
  tip '== [1/2] Starting Progress Source =='
  length = @libs.length
  num = 0
  @libs.each do |name, urls|
    num = num + 1
    tip "[#{num}/#{length}] #{name}"
    urls = [urls] unless urls.class == Array
    urls = urls.map{ |url|
      if url.include?('*')
        url = Dir[url]
      end
      url
    }.flatten.uniq.compact
    lib = []
    urls.each do |url|
      if @libs.has_key?(url) && name != url
        lib.push(url)
      else
        source = Zfben_libjs.get_source(url, @opts[:config])
        lib.push(source)
      end
    end
    lib = lib.flatten.uniq.compact
      
    @libs[name] = Zfben_libjs::Collection.new(name, lib, @libs, @opts[:config]).write_files!
  end

  tip '== [2/2] Generate lib.js =='
    
  libjs = File.read(@libs['lazyload'][0]) << ";\n"
    
  libjs_core = File.read(File.join(@path_gem, 'lib.coffee'))
    
  libjs_core = CoffeeScript.compile(libjs_core)

  libjs << libjs_core << ";\n"
    
  @urls = {}
   
  @libs.each do |lib, path|
    path = [path] unless path.class == Array
    path = path.map{ |url|
      case File.extname(url)
        when '.css'
          url = @opts[:config]['url/stylesheets'] + '/' + File.basename(url)
        when '.js'
          url = @opts[:config]['url/javascripts'] + '/' + File.basename(url)
        else
          url = nil
      end
      url
    }.compact.uniq
    @urls[lib] = path
  end

  libjs << "\n/* libs */\nlib.libs(#{@urls.to_json});lib.loaded('add', 'lazyload');\n"
  libjs << Time.now.strftime("lib.defaults.version = '?%s';\n")

  if @opts.has_key?(:bundle)
    bundle = {}
    @opts[:bundle].each do |name, libs|
      css = ''
      js = ''
      files = []
      libs.each do |lib|
        lib = @libs[lib] if @libs.has_key?(lib)
        lib = [lib] unless lib.class == Array
        lib.each do |file|
          files.push(file)
          case File.extname(file)
            when '.css'
              css << File.read(file)
            when '.js'
              js << File.read(file) << ";\n"
          end
        end
      end

      path = []

      if css != ''
        file = File.join(@opts[:config]['src/stylesheets'], name + '.css')
        File.open(file, 'w'){ |f| f.write(css) }
        path.push(@opts[:config]['url/stylesheets'] + '/' + File.basename(file))
      end

      if js != ''
        files_url = files.map{ |f| @opts[:config]['url/javascripts'] + '/' + File.basename(f) }.join("','")
        js << "\nif(typeof lib === 'function'){lib.loaded('add', '#{files_url}');}"
        file = File.join(@opts[:config]['src/javascripts'], name + '.js')
        File.open(file, 'w'){ |f| f.write(js) }
        path.push(@opts[:config]['url/javascripts'] + '/' + File.basename(file))
      end

      if path.length > 0
        path = path[0] if path.length == 0
        bundle[name] = path
      end
    end

    libjs << "\n/* bundle */\nlib.libs(#{bundle.to_json});\n"
  end

  if @opts.has_key?(:routes)
    routes = {}
    @opts[:routes].each do |path, lib_name|
      lib_name = lib_name.join ' ' if lib_name.class == Array
      routes[path] = lib_name
    end
    libjs << "\n/* routes */\nlib.routes('add', #{routes.to_json});\n"
  end

  if @opts.has_key?(:preload)
    preload = @opts[:preload].class == Array ? @opts[:preload] : [ @opts[:preload] ]
    libjs << "\n/* preload */\nlib('#{preload.join(' ')}');\n"
  end

  libjs = minify(libjs, :js) if @opts[:config]['minify']
  File.open(File.join(@opts[:config]['src/javascripts'], 'lib.js'), 'w'){ |f| f.write(libjs) }

  if @opts[:config].has_key?('after')
    load @opts[:config]['after']
  end

  tip '== End Build =='
end

#optsObject



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# File 'lib/zfben_libjs/initialize.rb', line 62

def opts
  return @opts.clone
end